:: (a -> b) -> [a] -> [b] is:exact -package:deferred-folds -package:adjunctions -package:comonad -package:generic-deriving -package:semigroupoids -package:appar -package:amazonka-core -package:incipit-base -package:base-prelude package:deepseq

(<$!!>) :: (Monad m, NFData b) => (a -> b) -> m a -> m b
deepseq Control.DeepSeq
Deeply strict version of <$>.